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Finding the Fourth Proportional to 630.56, 944.12 and 356.24

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Solution

The fourth proportional to 630.56, 944.12 and 356.24 is: 533.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    630.56 : 944.12 = 356.24 : x
  2. Step 2: Convert to fraction form
    630.56/944.12 = 356.24/x
  3. Step 3: Cross multiply
    630.56x = 944.12 × 356.24
  4. Step 4: Simplify right side
    630.56x = 336,333.31
  5. Step 5: Solve for x
    x = 336,333.31/630.56
  6. Step 6: Final answer
    x = 533.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.